1 /* $NetBSD: if_cue.c,v 1.23 2000/06/01 14:28:57 augustss Exp $ */ 2 /* 3 * Copyright (c) 1997, 1998, 1999, 2000 4 * Bill Paul <wpaul@ee.columbia.edu>. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Bill Paul. 17 * 4. Neither the name of the author nor the names of any co-contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD: src/sys/dev/usb/if_cue.c,v 1.4 2000/01/16 22:45:06 wpaul Exp $ 34 */ 35 36 /* 37 * CATC USB-EL1210A USB to ethernet driver. Used in the CATC Netmate 38 * adapters and others. 39 * 40 * Written by Bill Paul <wpaul@ee.columbia.edu> 41 * Electrical Engineering Department 42 * Columbia University, New York City 43 */ 44 45 /* 46 * The CATC USB-EL1210A provides USB ethernet support at 10Mbps. The 47 * RX filter uses a 512-bit multicast hash table, single perfect entry 48 * for the station address, and promiscuous mode. Unlike the ADMtek 49 * and KLSI chips, the CATC ASIC supports read and write combining 50 * mode where multiple packets can be transfered using a single bulk 51 * transaction, which helps performance a great deal. 52 */ 53 54 /* 55 * Ported to NetBSD and somewhat rewritten by Lennart Augustsson. 56 */ 57 58 /* 59 * TODO: 60 * proper cleanup on errors 61 */ 62 #if defined(__NetBSD__) 63 #include "opt_inet.h" 64 #include "opt_ns.h" 65 #include "bpfilter.h" 66 #include "rnd.h" 67 #elif defined(__OpenBSD__) 68 #include "bpfilter.h" 69 #endif /* defined(__OpenBSD__) */ 70 71 #include <sys/param.h> 72 #include <sys/systm.h> 73 #if !defined(__OpenBSD__) 74 #include <sys/callout.h> 75 #endif 76 #include <sys/sockio.h> 77 #include <sys/mbuf.h> 78 #include <sys/malloc.h> 79 #include <sys/kernel.h> 80 #include <sys/socket.h> 81 82 #if defined(__FreeBSD__) 83 84 #include <net/ethernet.h> 85 #include <machine/clock.h> /* for DELAY */ 86 #include <sys/bus.h> 87 88 #elif defined(__NetBSD__) || defined(__OpenBSD__) 89 90 #include <sys/device.h> 91 #if NRND > 0 92 #include <sys/rnd.h> 93 #endif 94 95 #endif 96 97 #include <net/if.h> 98 #if defined(__NetBSD__) || defined(__FreeBSD__) 99 #include <net/if_arp.h> 100 #endif 101 #include <net/if_dl.h> 102 103 #if defined(__NetBSD__) || defined(__OpenBSD__) 104 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 105 #else 106 #define BPF_MTAP(ifp, m) bpf_mtap((ifp), (m)) 107 #endif 108 109 #if defined(__FreeBSD__) || NBPFILTER > 0 110 #include <net/bpf.h> 111 #endif 112 113 #if defined(__NetBSD__) 114 #include <net/if_ether.h> 115 #ifdef INET 116 #include <netinet/in.h> 117 #include <netinet/if_inarp.h> 118 #endif 119 #endif /* defined(__NetBSD__) */ 120 121 #if defined(__OpenBSD__) 122 #ifdef INET 123 #include <netinet/in.h> 124 #include <netinet/in_systm.h> 125 #include <netinet/in_var.h> 126 #include <netinet/ip.h> 127 #include <netinet/if_ether.h> 128 #endif 129 #endif /* defined(__OpenBSD__) */ 130 131 #if defined(__NetBSD__) || defined(__OpenBSD__) 132 #ifdef NS 133 #include <netns/ns.h> 134 #include <netns/ns_if.h> 135 #endif 136 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 137 138 #include <dev/usb/usb.h> 139 #include <dev/usb/usbdi.h> 140 #include <dev/usb/usbdi_util.h> 141 #include <dev/usb/usbdevs.h> 142 143 #ifdef __FreeBSD__ 144 #include <dev/usb/usb_ethersubr.h> 145 #endif 146 147 #include <dev/usb/if_cuereg.h> 148 149 #ifdef CUE_DEBUG 150 #define DPRINTF(x) if (cuedebug) logprintf x 151 #define DPRINTFN(n,x) if (cuedebug >= (n)) logprintf x 152 int cuedebug = 0; 153 #else 154 #define DPRINTF(x) 155 #define DPRINTFN(n,x) 156 #endif 157 158 /* 159 * Various supported device vendors/products. 160 */ 161 Static struct cue_type cue_devs[] = { 162 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE }, 163 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 }, 164 { USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTLINK }, 165 /* Belkin F5U111 adapter covered by NETMATE entry */ 166 { 0, 0 } 167 }; 168 169 USB_DECLARE_DRIVER(cue); 170 171 Static int cue_open_pipes(struct cue_softc *); 172 Static int cue_tx_list_init(struct cue_softc *); 173 Static int cue_rx_list_init(struct cue_softc *); 174 Static int cue_newbuf(struct cue_softc *, struct cue_chain *, struct mbuf *); 175 Static int cue_send(struct cue_softc *, struct mbuf *, int); 176 Static void cue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 177 Static void cue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 178 Static void cue_tick(void *); 179 Static void cue_start(struct ifnet *); 180 Static int cue_ioctl(struct ifnet *, u_long, caddr_t); 181 Static void cue_init(void *); 182 Static void cue_stop(struct cue_softc *); 183 Static void cue_watchdog(struct ifnet *); 184 185 Static void cue_setmulti(struct cue_softc *); 186 Static u_int32_t cue_crc(caddr_t); 187 Static void cue_reset(struct cue_softc *); 188 189 Static int cue_csr_read_1(struct cue_softc *, int); 190 Static int cue_csr_write_1(struct cue_softc *, int, int); 191 Static int cue_csr_read_2(struct cue_softc *, int); 192 #if 0 193 Static int cue_csr_write_2(struct cue_softc *, int, int); 194 #endif 195 Static int cue_mem(struct cue_softc *, int, int, void *, int); 196 Static int cue_getmac(struct cue_softc *, void *); 197 198 #ifdef __FreeBSD__ 199 #ifndef lint 200 static const char rcsid[] = 201 "$FreeBSD: src/sys/dev/usb/if_cue.c,v 1.4 2000/01/16 22:45:06 wpaul Exp $"; 202 #endif 203 204 Static void cue_rxstart(struct ifnet *); 205 Static void cue_shutdown(device_t); 206 207 Static struct usb_qdat cue_qdat; 208 209 Static device_method_t cue_methods[] = { 210 /* Device interface */ 211 DEVMETHOD(device_probe, cue_match), 212 DEVMETHOD(device_attach, cue_attach), 213 DEVMETHOD(device_detach, cue_detach), 214 DEVMETHOD(device_shutdown, cue_shutdown), 215 216 { 0, 0 } 217 }; 218 219 Static driver_t cue_driver = { 220 "cue", 221 cue_methods, 222 sizeof(struct cue_softc) 223 }; 224 225 Static devclass_t cue_devclass; 226 227 DRIVER_MODULE(if_cue, uhub, cue_driver, cue_devclass, usbd_driver_load, 0); 228 229 #endif /* defined(__FreeBSD__) */ 230 231 #define CUE_DO_REQUEST(dev, req, data) \ 232 usbd_do_request_flags(dev, req, data, USBD_NO_TSLEEP, NULL) 233 234 #define CUE_SETBIT(sc, reg, x) \ 235 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x)) 236 237 #define CUE_CLRBIT(sc, reg, x) \ 238 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x)) 239 240 Static int 241 cue_csr_read_1(struct cue_softc *sc, int reg) 242 { 243 usb_device_request_t req; 244 usbd_status err; 245 u_int8_t val = 0; 246 int s; 247 248 if (sc->cue_dying) 249 return (0); 250 251 req.bmRequestType = UT_READ_VENDOR_DEVICE; 252 req.bRequest = CUE_CMD_READREG; 253 USETW(req.wValue, 0); 254 USETW(req.wIndex, reg); 255 USETW(req.wLength, 1); 256 257 s = splusb(); 258 err = CUE_DO_REQUEST(sc->cue_udev, &req, &val); 259 splx(s); 260 261 if (err) { 262 DPRINTF(("%s: cue_csr_read_1: reg=0x%x err=%s\n", 263 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 264 return (0); 265 } 266 267 DPRINTFN(10,("%s: cue_csr_read_1 reg=0x%x val=0x%x\n", 268 USBDEVNAME(sc->cue_dev), reg, val)); 269 270 return (val); 271 } 272 273 Static int 274 cue_csr_read_2(struct cue_softc *sc, int reg) 275 { 276 usb_device_request_t req; 277 usbd_status err; 278 uWord val; 279 int s; 280 281 if (sc->cue_dying) 282 return (0); 283 284 req.bmRequestType = UT_READ_VENDOR_DEVICE; 285 req.bRequest = CUE_CMD_READREG; 286 USETW(req.wValue, 0); 287 USETW(req.wIndex, reg); 288 USETW(req.wLength, 2); 289 290 s = splusb(); 291 err = CUE_DO_REQUEST(sc->cue_udev, &req, &val); 292 splx(s); 293 294 DPRINTFN(10,("%s: cue_csr_read_2 reg=0x%x val=0x%x\n", 295 USBDEVNAME(sc->cue_dev), reg, UGETW(val))); 296 297 if (err) { 298 DPRINTF(("%s: cue_csr_read_2: reg=0x%x err=%s\n", 299 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 300 return (0); 301 } 302 303 return (UGETW(val)); 304 } 305 306 Static int 307 cue_csr_write_1(struct cue_softc *sc, int reg, int val) 308 { 309 usb_device_request_t req; 310 usbd_status err; 311 int s; 312 313 if (sc->cue_dying) 314 return (0); 315 316 DPRINTFN(10,("%s: cue_csr_write_1 reg=0x%x val=0x%x\n", 317 USBDEVNAME(sc->cue_dev), reg, val)); 318 319 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 320 req.bRequest = CUE_CMD_WRITEREG; 321 USETW(req.wValue, val); 322 USETW(req.wIndex, reg); 323 USETW(req.wLength, 0); 324 325 s = splusb(); 326 err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); 327 splx(s); 328 329 if (err) { 330 DPRINTF(("%s: cue_csr_write_1: reg=0x%x err=%s\n", 331 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 332 return (-1); 333 } 334 335 DPRINTFN(20,("%s: cue_csr_write_1, after reg=0x%x val=0x%x\n", 336 USBDEVNAME(sc->cue_dev), reg, cue_csr_read_1(sc, reg))); 337 338 return (0); 339 } 340 341 #if 0 342 Static int 343 cue_csr_write_2(struct cue_softc *sc, int reg, int aval) 344 { 345 usb_device_request_t req; 346 usbd_status err; 347 uWord val; 348 int s; 349 350 if (sc->cue_dying) 351 return (0); 352 353 DPRINTFN(10,("%s: cue_csr_write_2 reg=0x%x val=0x%x\n", 354 USBDEVNAME(sc->cue_dev), reg, aval)); 355 356 USETW(val, aval); 357 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 358 req.bRequest = CUE_CMD_WRITEREG; 359 USETW(req.wValue, val); 360 USETW(req.wIndex, reg); 361 USETW(req.wLength, 0); 362 363 s = splusb(); 364 err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); 365 splx(s); 366 367 if (err) { 368 DPRINTF(("%s: cue_csr_write_2: reg=0x%x err=%s\n", 369 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 370 return (-1); 371 } 372 373 return (0); 374 } 375 #endif 376 377 Static int 378 cue_mem(struct cue_softc *sc, int cmd, int addr, void *buf, int len) 379 { 380 usb_device_request_t req; 381 usbd_status err; 382 int s; 383 384 DPRINTFN(10,("%s: cue_mem cmd=0x%x addr=0x%x len=%d\n", 385 USBDEVNAME(sc->cue_dev), cmd, addr, len)); 386 387 if (cmd == CUE_CMD_READSRAM) 388 req.bmRequestType = UT_READ_VENDOR_DEVICE; 389 else 390 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 391 req.bRequest = cmd; 392 USETW(req.wValue, 0); 393 USETW(req.wIndex, addr); 394 USETW(req.wLength, len); 395 396 s = splusb(); 397 err = CUE_DO_REQUEST(sc->cue_udev, &req, buf); 398 splx(s); 399 400 if (err) { 401 DPRINTF(("%s: cue_csr_mem: addr=0x%x err=%s\n", 402 USBDEVNAME(sc->cue_dev), addr, usbd_errstr(err))); 403 return (-1); 404 } 405 406 return (0); 407 } 408 409 Static int 410 cue_getmac(struct cue_softc *sc, void *buf) 411 { 412 usb_device_request_t req; 413 usbd_status err; 414 int s; 415 416 DPRINTFN(10,("%s: cue_getmac\n", USBDEVNAME(sc->cue_dev))); 417 418 req.bmRequestType = UT_READ_VENDOR_DEVICE; 419 req.bRequest = CUE_CMD_GET_MACADDR; 420 USETW(req.wValue, 0); 421 USETW(req.wIndex, 0); 422 USETW(req.wLength, ETHER_ADDR_LEN); 423 424 s = splusb(); 425 err = CUE_DO_REQUEST(sc->cue_udev, &req, buf); 426 splx(s); 427 428 if (err) { 429 printf("%s: read MAC address failed\n", USBDEVNAME(sc->cue_dev)); 430 return (-1); 431 } 432 433 return (0); 434 } 435 436 #define CUE_POLY 0xEDB88320 437 #define CUE_BITS 9 438 439 Static u_int32_t 440 cue_crc(caddr_t addr) 441 { 442 u_int32_t idx, bit, data, crc; 443 444 /* Compute CRC for the address value. */ 445 crc = 0xFFFFFFFF; /* initial value */ 446 447 for (idx = 0; idx < 6; idx++) { 448 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) 449 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0); 450 } 451 452 return (crc & ((1 << CUE_BITS) - 1)); 453 } 454 455 Static void 456 cue_setmulti(struct cue_softc *sc) 457 { 458 struct ifnet *ifp; 459 #if defined(__FreeBSD__) 460 struct ifmultiaddr *ifma; 461 #elif defined(__NetBSD__) || defined(__OpenBSD__) 462 struct ether_multi *enm; 463 struct ether_multistep step; 464 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 465 u_int32_t h, i; 466 467 ifp = GET_IFP(sc); 468 469 DPRINTFN(2,("%s: cue_setmulti if_flags=0x%x\n", 470 USBDEVNAME(sc->cue_dev), ifp->if_flags)); 471 472 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 473 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 474 sc->cue_mctab[i] = 0xFF; 475 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 476 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 477 return; 478 } 479 480 /* first, zot all the existing hash bits */ 481 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 482 sc->cue_mctab[i] = 0; 483 484 /* now program new ones */ 485 #if defined(__FreeBSD__) 486 for (ifma = ifp->if_multiaddrs.lh_first; ifma != NULL; 487 ifma = ifma->ifma_link.le_next) { 488 if (ifma->ifma_addr->sa_family != AF_LINK) 489 continue; 490 h = cue_crc(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 491 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 492 } 493 #elif defined(__NetBSD__) || defined(__OpenBSD__) 494 #if defined(__NetBSD__) 495 ETHER_FIRST_MULTI(step, &sc->cue_ec, enm); 496 #else 497 ETHER_FIRST_MULTI(step, &sc->arpcom, enm); 498 #endif 499 while (enm != NULL) { 500 #if 0 501 if (memcmp(enm->enm_addrlo, 502 enm->enm_addrhi, ETHER_ADDR_LEN) != 0) { 503 ifp->if_flags |= IFF_ALLMULTI; 504 /* XXX what now? */ 505 return; 506 } 507 #endif 508 h = cue_crc(enm->enm_addrlo); 509 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 510 ETHER_NEXT_MULTI(step, enm); 511 } 512 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 513 514 /* 515 * Also include the broadcast address in the filter 516 * so we can receive broadcast frames. 517 */ 518 if (ifp->if_flags & IFF_BROADCAST) { 519 h = cue_crc(etherbroadcastaddr); 520 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 521 } 522 523 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 524 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 525 } 526 527 Static void 528 cue_reset(struct cue_softc *sc) 529 { 530 usb_device_request_t req; 531 usbd_status err; 532 int s; 533 534 DPRINTFN(2,("%s: cue_reset\n", USBDEVNAME(sc->cue_dev))); 535 536 if (sc->cue_dying) 537 return; 538 539 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 540 req.bRequest = CUE_CMD_RESET; 541 USETW(req.wValue, 0); 542 USETW(req.wIndex, 0); 543 USETW(req.wLength, 0); 544 545 s = splusb(); 546 err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); 547 splx(s); 548 549 if (err) 550 printf("%s: reset failed\n", USBDEVNAME(sc->cue_dev)); 551 552 /* Wait a little while for the chip to get its brains in order. */ 553 delay(1000); /* XXX */ 554 } 555 556 /* 557 * Probe for a CATC chip. 558 */ 559 USB_MATCH(cue) 560 { 561 USB_MATCH_START(cue, uaa); 562 struct cue_type *t; 563 564 if (uaa->iface != NULL) 565 return (UMATCH_NONE); 566 567 for (t = cue_devs; t->cue_vid != 0; t++) 568 if (uaa->vendor == t->cue_vid && uaa->product == t->cue_did) 569 return (UMATCH_VENDOR_PRODUCT); 570 571 return (UMATCH_NONE); 572 } 573 574 /* 575 * Attach the interface. Allocate softc structures, do ifmedia 576 * setup and ethernet/BPF attach. 577 */ 578 USB_ATTACH(cue) 579 { 580 USB_ATTACH_START(cue, sc, uaa); 581 char devinfo[1024]; 582 int s; 583 u_char eaddr[ETHER_ADDR_LEN]; 584 usbd_device_handle dev = uaa->device; 585 usbd_interface_handle iface; 586 usbd_status err; 587 struct ifnet *ifp; 588 usb_interface_descriptor_t *id; 589 usb_endpoint_descriptor_t *ed; 590 int i; 591 592 #ifdef __FreeBSD__ 593 bzero(sc, sizeof(struct cue_softc)); 594 #endif 595 596 DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p", sc, dev)); 597 598 usbd_devinfo(dev, 0, devinfo); 599 USB_ATTACH_SETUP; 600 printf("%s: %s\n", USBDEVNAME(sc->cue_dev), devinfo); 601 602 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 0); 603 if (err) { 604 printf("%s: setting config no failed\n", 605 USBDEVNAME(sc->cue_dev)); 606 USB_ATTACH_ERROR_RETURN; 607 } 608 609 sc->cue_udev = dev; 610 sc->cue_product = uaa->product; 611 sc->cue_vendor = uaa->vendor; 612 613 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 614 if (err) { 615 printf("%s: getting interface handle failed\n", 616 USBDEVNAME(sc->cue_dev)); 617 USB_ATTACH_ERROR_RETURN; 618 } 619 620 sc->cue_iface = iface; 621 id = usbd_get_interface_descriptor(iface); 622 623 /* Find endpoints. */ 624 for (i = 0; i < id->bNumEndpoints; i++) { 625 ed = usbd_interface2endpoint_descriptor(iface, i); 626 if (ed == NULL) { 627 printf("%s: couldn't get ep %d\n", 628 USBDEVNAME(sc->cue_dev), i); 629 USB_ATTACH_ERROR_RETURN; 630 } 631 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 632 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 633 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 634 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 635 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 636 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 637 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 638 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 639 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 640 } 641 } 642 643 #if 0 644 /* Reset the adapter. */ 645 cue_reset(sc); 646 #endif 647 /* 648 * Get station address. 649 */ 650 cue_getmac(sc, &eaddr); 651 652 s = splimp(); 653 654 /* 655 * A CATC chip was detected. Inform the world. 656 */ 657 #if defined(__FreeBSD__) 658 printf("%s: Ethernet address: %6D\n", USBDEVNAME(sc->cue_dev), eaddr, ":"); 659 660 bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 661 662 ifp = &sc->arpcom.ac_if; 663 ifp->if_softc = sc; 664 ifp->if_unit = USBDEVNAME(sc->cue_dev); 665 ifp->if_name = "cue"; 666 ifp->if_mtu = ETHERMTU; 667 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 668 ifp->if_ioctl = cue_ioctl; 669 ifp->if_output = ether_output; 670 ifp->if_start = cue_start; 671 ifp->if_watchdog = cue_watchdog; 672 ifp->if_init = cue_init; 673 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 674 675 cue_qdat.ifp = ifp; 676 cue_qdat.if_rxstart = cue_rxstart; 677 678 /* 679 * Call MI attach routines. 680 */ 681 if_attach(ifp); 682 ether_ifattach(ifp); 683 bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header)); 684 usb_register_netisr(); 685 686 #elif defined(__NetBSD__) || defined(__OpenBSD__) 687 688 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->cue_dev), 689 ether_sprintf(eaddr)); 690 691 /* Initialize interface info.*/ 692 ifp = GET_IFP(sc); 693 ifp->if_softc = sc; 694 ifp->if_mtu = ETHERMTU; 695 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 696 ifp->if_ioctl = cue_ioctl; 697 ifp->if_start = cue_start; 698 ifp->if_watchdog = cue_watchdog; 699 #if defined(__OpenBSD__) 700 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 701 #endif 702 strncpy(ifp->if_xname, USBDEVNAME(sc->cue_dev), IFNAMSIZ); 703 704 /* Attach the interface. */ 705 if_attach(ifp); 706 Ether_ifattach(ifp, eaddr); 707 708 #if NBPFILTER > 0 709 bpfattach(&ifp->if_bpf, ifp, DLT_EN10MB, 710 sizeof(struct ether_header)); 711 #endif 712 #if NRND > 0 713 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->cue_dev), 714 RND_TYPE_NET, 0); 715 #endif 716 717 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 718 719 usb_callout_init(sc->cue_stat_ch); 720 721 sc->cue_attached = 1; 722 splx(s); 723 724 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, 725 USBDEV(sc->cue_dev)); 726 727 USB_ATTACH_SUCCESS_RETURN; 728 } 729 730 USB_DETACH(cue) 731 { 732 USB_DETACH_START(cue, sc); 733 struct ifnet *ifp = GET_IFP(sc); 734 int s; 735 736 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 737 738 s = splusb(); 739 740 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 741 742 if (!sc->cue_attached) { 743 /* Detached before attached finished, so just bail out. */ 744 splx(s); 745 return (0); 746 } 747 748 if (ifp->if_flags & IFF_RUNNING) 749 cue_stop(sc); 750 751 #if defined(__NetBSD__) 752 #if NRND > 0 753 rnd_detach_source(&sc->rnd_source); 754 #endif 755 #if NBPFILTER > 0 756 bpfdetach(ifp); 757 #endif 758 ether_ifdetach(ifp); 759 #endif /* __NetBSD__ */ 760 761 if_detach(ifp); 762 763 #ifdef DIAGNOSTIC 764 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 765 sc->cue_ep[CUE_ENDPT_RX] != NULL || 766 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 767 printf("%s: detach has active endpoints\n", 768 USBDEVNAME(sc->cue_dev)); 769 #endif 770 771 sc->cue_attached = 0; 772 splx(s); 773 774 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 775 USBDEV(sc->cue_dev)); 776 777 return (0); 778 } 779 780 #if defined(__NetBSD__) || defined(__OpenBSD__) 781 int 782 cue_activate(device_ptr_t self, enum devact act) 783 { 784 struct cue_softc *sc = (struct cue_softc *)self; 785 786 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 787 788 switch (act) { 789 case DVACT_ACTIVATE: 790 return (EOPNOTSUPP); 791 break; 792 793 case DVACT_DEACTIVATE: 794 /* Deactivate the interface. */ 795 if_deactivate(&sc->cue_ec.ec_if); 796 sc->cue_dying = 1; 797 break; 798 } 799 return (0); 800 } 801 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 802 803 /* 804 * Initialize an RX descriptor and attach an MBUF cluster. 805 */ 806 Static int 807 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 808 { 809 struct mbuf *m_new = NULL; 810 811 if (m == NULL) { 812 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 813 if (m_new == NULL) { 814 printf("%s: no memory for rx list " 815 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 816 return (ENOBUFS); 817 } 818 819 MCLGET(m_new, M_DONTWAIT); 820 if (!(m_new->m_flags & M_EXT)) { 821 printf("%s: no memory for rx list " 822 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 823 m_freem(m_new); 824 return (ENOBUFS); 825 } 826 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 827 } else { 828 m_new = m; 829 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 830 m_new->m_data = m_new->m_ext.ext_buf; 831 } 832 833 m_adj(m_new, ETHER_ALIGN); 834 c->cue_mbuf = m_new; 835 836 return (0); 837 } 838 839 Static int 840 cue_rx_list_init(struct cue_softc *sc) 841 { 842 struct cue_cdata *cd; 843 struct cue_chain *c; 844 int i; 845 846 cd = &sc->cue_cdata; 847 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 848 c = &cd->cue_rx_chain[i]; 849 c->cue_sc = sc; 850 c->cue_idx = i; 851 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 852 return (ENOBUFS); 853 if (c->cue_xfer == NULL) { 854 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 855 if (c->cue_xfer == NULL) 856 return (ENOBUFS); 857 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 858 if (c->cue_buf == NULL) { 859 usbd_free_xfer(c->cue_xfer); 860 return (ENOBUFS); 861 } 862 } 863 } 864 865 return (0); 866 } 867 868 Static int 869 cue_tx_list_init(struct cue_softc *sc) 870 { 871 struct cue_cdata *cd; 872 struct cue_chain *c; 873 int i; 874 875 cd = &sc->cue_cdata; 876 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 877 c = &cd->cue_tx_chain[i]; 878 c->cue_sc = sc; 879 c->cue_idx = i; 880 c->cue_mbuf = NULL; 881 if (c->cue_xfer == NULL) { 882 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 883 if (c->cue_xfer == NULL) 884 return (ENOBUFS); 885 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 886 if (c->cue_buf == NULL) { 887 usbd_free_xfer(c->cue_xfer); 888 return (ENOBUFS); 889 } 890 } 891 } 892 893 return (0); 894 } 895 896 #ifdef __FreeBSD__ 897 Static void 898 cue_rxstart(struct ifnet *ifp) 899 { 900 struct cue_softc *sc; 901 struct cue_chain *c; 902 903 sc = ifp->if_softc; 904 c = &sc->cue_cdata.cue_rx_chain[sc->cue_cdata.cue_rx_prod]; 905 906 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 907 ifp->if_ierrors++; 908 return; 909 } 910 911 /* Setup new transfer. */ 912 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 913 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 914 USBD_NO_TIMEOUT, cue_rxeof); 915 usbd_transfer(c->cue_xfer); 916 } 917 #endif 918 919 /* 920 * A frame has been uploaded: pass the resulting mbuf chain up to 921 * the higher level protocols. 922 */ 923 Static void 924 cue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 925 { 926 struct cue_chain *c = priv; 927 struct cue_softc *sc = c->cue_sc; 928 struct ifnet *ifp = GET_IFP(sc); 929 struct mbuf *m; 930 int total_len = 0; 931 u_int16_t len; 932 #if defined(__NetBSD__) || defined(__OpenBSD__) 933 int s; 934 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 935 936 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 937 __FUNCTION__, status)); 938 939 if (sc->cue_dying) 940 return; 941 942 if (!(ifp->if_flags & IFF_RUNNING)) 943 return; 944 945 if (status != USBD_NORMAL_COMPLETION) { 946 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 947 return; 948 sc->cue_rx_errs++; 949 if (usbd_ratecheck(&sc->cue_rx_notice)) { 950 printf("%s: %u usb errors on rx: %s\n", 951 USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, 952 usbd_errstr(status)); 953 sc->cue_rx_errs = 0; 954 } 955 if (status == USBD_STALLED) 956 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_RX]); 957 goto done; 958 } 959 960 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 961 962 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 963 964 m = c->cue_mbuf; 965 len = UGETW(mtod(m, u_int8_t *)); 966 967 /* No errors; receive the packet. */ 968 total_len = len; 969 970 if (len < sizeof(struct ether_header)) { 971 ifp->if_ierrors++; 972 goto done; 973 } 974 975 ifp->if_ipackets++; 976 m_adj(m, sizeof(u_int16_t)); 977 m->m_pkthdr.len = m->m_len = total_len; 978 979 #if defined(__FreeBSD__) 980 m->m_pkthdr.rcvif = (struct ifnet *)&cue_qdat; 981 /* Put the packet on the special USB input queue. */ 982 usb_ether_input(m); 983 984 return; 985 #elif defined(__NetBSD__) || defined(__OpenBSD__) 986 m->m_pkthdr.rcvif = ifp; 987 988 s = splimp(); 989 990 /* XXX ugly */ 991 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 992 ifp->if_ierrors++; 993 goto done1; 994 } 995 996 #if NBPFILTER > 0 997 /* 998 * Handle BPF listeners. Let the BPF user see the packet, but 999 * don't pass it up to the ether_input() layer unless it's 1000 * a broadcast packet, multicast packet, matches our ethernet 1001 * address or the interface is in promiscuous mode. 1002 */ 1003 if (ifp->if_bpf) { 1004 #if defined(__NetBSD__) 1005 struct ether_header *eh = mtod(m, struct ether_header *); 1006 BPF_MTAP(ifp, m); 1007 if ((ifp->if_flags & IFF_PROMISC) && 1008 memcmp(eh->ether_dhost, LLADDR(ifp->if_sadl), 1009 ETHER_ADDR_LEN) && 1010 !(eh->ether_dhost[0] & 1)) { 1011 m_freem(m); 1012 goto done1; 1013 } 1014 #else 1015 BPF_MTAP(ifp, m); 1016 #endif 1017 } 1018 #endif 1019 1020 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), 1021 __FUNCTION__, m->m_len)); 1022 IF_INPUT(ifp, m); 1023 done1: 1024 splx(s); 1025 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1026 1027 done: 1028 /* Setup new transfer. */ 1029 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1030 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 1031 USBD_NO_TIMEOUT, cue_rxeof); 1032 usbd_transfer(c->cue_xfer); 1033 1034 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), 1035 __FUNCTION__)); 1036 } 1037 1038 /* 1039 * A frame was downloaded to the chip. It's safe for us to clean up 1040 * the list buffers. 1041 */ 1042 Static void 1043 cue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1044 { 1045 struct cue_chain *c = priv; 1046 struct cue_softc *sc = c->cue_sc; 1047 struct ifnet *ifp = GET_IFP(sc); 1048 int s; 1049 1050 if (sc->cue_dying) 1051 return; 1052 1053 s = splimp(); 1054 1055 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 1056 __FUNCTION__, status)); 1057 1058 ifp->if_timer = 0; 1059 ifp->if_flags &= ~IFF_OACTIVE; 1060 1061 if (status != USBD_NORMAL_COMPLETION) { 1062 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1063 splx(s); 1064 return; 1065 } 1066 ifp->if_oerrors++; 1067 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 1068 usbd_errstr(status)); 1069 if (status == USBD_STALLED) 1070 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_TX]); 1071 splx(s); 1072 return; 1073 } 1074 1075 ifp->if_opackets++; 1076 1077 #if defined(__FreeBSD__) 1078 c->cue_mbuf->m_pkthdr.rcvif = ifp; 1079 usb_tx_done(c->cue_mbuf); 1080 c->cue_mbuf = NULL; 1081 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1082 m_freem(c->cue_mbuf); 1083 c->cue_mbuf = NULL; 1084 1085 if (ifp->if_snd.ifq_head != NULL) 1086 cue_start(ifp); 1087 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1088 1089 splx(s); 1090 } 1091 1092 Static void 1093 cue_tick(void *xsc) 1094 { 1095 struct cue_softc *sc = xsc; 1096 struct ifnet *ifp; 1097 int s; 1098 1099 if (sc == NULL) 1100 return; 1101 1102 if (sc->cue_dying) 1103 return; 1104 1105 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 1106 1107 s = splimp(); 1108 1109 ifp = GET_IFP(sc); 1110 1111 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 1112 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 1113 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 1114 1115 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 1116 ifp->if_ierrors++; 1117 1118 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1119 1120 splx(s); 1121 } 1122 1123 Static int 1124 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 1125 { 1126 int total_len; 1127 struct cue_chain *c; 1128 usbd_status err; 1129 1130 c = &sc->cue_cdata.cue_tx_chain[idx]; 1131 1132 /* 1133 * Copy the mbuf data into a contiguous buffer, leaving two 1134 * bytes at the beginning to hold the frame length. 1135 */ 1136 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 1137 c->cue_mbuf = m; 1138 1139 total_len = m->m_pkthdr.len + 2; 1140 1141 DPRINTFN(10,("%s: %s: total_len=%d\n", 1142 USBDEVNAME(sc->cue_dev), __FUNCTION__, total_len)); 1143 1144 /* The first two bytes are the frame length */ 1145 c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len; 1146 c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8); 1147 1148 /* XXX 10000 */ 1149 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX], 1150 c, c->cue_buf, total_len, USBD_NO_COPY, 10000, cue_txeof); 1151 1152 /* Transmit */ 1153 err = usbd_transfer(c->cue_xfer); 1154 if (err != USBD_IN_PROGRESS) { 1155 printf("%s: cue_send error=%s\n", USBDEVNAME(sc->cue_dev), 1156 usbd_errstr(err)); 1157 cue_stop(sc); 1158 return (EIO); 1159 } 1160 1161 sc->cue_cdata.cue_tx_cnt++; 1162 1163 return (0); 1164 } 1165 1166 Static void 1167 cue_start(struct ifnet *ifp) 1168 { 1169 struct cue_softc *sc = ifp->if_softc; 1170 struct mbuf *m_head = NULL; 1171 1172 if (sc->cue_dying) 1173 return; 1174 1175 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1176 1177 if (ifp->if_flags & IFF_OACTIVE) 1178 return; 1179 1180 IF_DEQUEUE(&ifp->if_snd, m_head); 1181 if (m_head == NULL) 1182 return; 1183 1184 if (cue_send(sc, m_head, 0)) { 1185 IF_PREPEND(&ifp->if_snd, m_head); 1186 ifp->if_flags |= IFF_OACTIVE; 1187 return; 1188 } 1189 1190 #if NBPFILTER > 0 1191 /* 1192 * If there's a BPF listener, bounce a copy of this frame 1193 * to him. 1194 */ 1195 if (ifp->if_bpf) 1196 BPF_MTAP(ifp, m_head); 1197 #endif 1198 1199 ifp->if_flags |= IFF_OACTIVE; 1200 1201 /* 1202 * Set a timeout in case the chip goes out to lunch. 1203 */ 1204 ifp->if_timer = 5; 1205 } 1206 1207 Static void 1208 cue_init(void *xsc) 1209 { 1210 struct cue_softc *sc = xsc; 1211 struct ifnet *ifp = GET_IFP(sc); 1212 int i, s, ctl; 1213 u_char *eaddr; 1214 1215 if (sc->cue_dying) 1216 return; 1217 1218 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1219 1220 if (ifp->if_flags & IFF_RUNNING) 1221 return; 1222 1223 s = splimp(); 1224 1225 /* 1226 * Cancel pending I/O and free all RX/TX buffers. 1227 */ 1228 #if 1 1229 cue_reset(sc); 1230 #endif 1231 1232 /* Set advanced operation modes. */ 1233 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1234 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1235 1236 #if defined(__FreeBSD__) || defined(__OpenBSD__) 1237 eaddr = sc->arpcom.ac_enaddr; 1238 #elif defined(__NetBSD__) 1239 eaddr = LLADDR(ifp->if_sadl); 1240 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1241 /* Set MAC address */ 1242 for (i = 0; i < ETHER_ADDR_LEN; i++) 1243 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1244 1245 /* Enable RX logic. */ 1246 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1247 if (ifp->if_flags & IFF_PROMISC) 1248 ctl |= CUE_ETHCTL_PROMISC; 1249 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1250 1251 /* Init TX ring. */ 1252 if (cue_tx_list_init(sc) == ENOBUFS) { 1253 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1254 splx(s); 1255 return; 1256 } 1257 1258 /* Init RX ring. */ 1259 if (cue_rx_list_init(sc) == ENOBUFS) { 1260 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1261 splx(s); 1262 return; 1263 } 1264 1265 /* Load the multicast filter. */ 1266 cue_setmulti(sc); 1267 1268 /* 1269 * Set the number of RX and TX buffers that we want 1270 * to reserve inside the ASIC. 1271 */ 1272 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1273 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1274 1275 /* Set advanced operation modes. */ 1276 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1277 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1278 1279 /* Program the LED operation. */ 1280 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1281 1282 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1283 if (cue_open_pipes(sc)) { 1284 splx(s); 1285 return; 1286 } 1287 } 1288 1289 ifp->if_flags |= IFF_RUNNING; 1290 ifp->if_flags &= ~IFF_OACTIVE; 1291 1292 splx(s); 1293 1294 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1295 } 1296 1297 Static int 1298 cue_open_pipes(struct cue_softc *sc) 1299 { 1300 struct cue_chain *c; 1301 usbd_status err; 1302 int i; 1303 1304 /* Open RX and TX pipes. */ 1305 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1306 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1307 if (err) { 1308 printf("%s: open rx pipe failed: %s\n", 1309 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1310 return (EIO); 1311 } 1312 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1313 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1314 if (err) { 1315 printf("%s: open tx pipe failed: %s\n", 1316 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1317 return (EIO); 1318 } 1319 1320 /* Start up the receive pipe. */ 1321 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1322 c = &sc->cue_cdata.cue_rx_chain[i]; 1323 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1324 c, c->cue_buf, CUE_BUFSZ, 1325 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1326 cue_rxeof); 1327 usbd_transfer(c->cue_xfer); 1328 } 1329 1330 return (0); 1331 } 1332 1333 Static int 1334 cue_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 1335 { 1336 struct cue_softc *sc = ifp->if_softc; 1337 #if defined(__NetBSD__) || defined(__OpenBSD__) 1338 struct ifaddr *ifa = (struct ifaddr *)data; 1339 struct ifreq *ifr = (struct ifreq *)data; 1340 #endif 1341 int s, error = 0; 1342 1343 if (sc->cue_dying) 1344 return (EIO); 1345 1346 s = splimp(); 1347 1348 switch(command) { 1349 #if defined(__FreeBSD__) 1350 case SIOCSIFADDR: 1351 case SIOCGIFADDR: 1352 case SIOCSIFMTU: 1353 error = ether_ioctl(ifp, command, data); 1354 break; 1355 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1356 case SIOCSIFADDR: 1357 ifp->if_flags |= IFF_UP; 1358 cue_init(sc); 1359 1360 switch (ifa->ifa_addr->sa_family) { 1361 #ifdef INET 1362 case AF_INET: 1363 #if defined(__NetBSD__) 1364 arp_ifinit(ifp, ifa); 1365 #else 1366 arp_ifinit(&sc->arpcom, ifa); 1367 #endif 1368 break; 1369 #endif /* INET */ 1370 #ifdef NS 1371 case AF_NS: 1372 { 1373 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1374 1375 if (ns_nullhost(*ina)) 1376 ina->x_host = *(union ns_host *) 1377 LLADDR(ifp->if_sadl); 1378 else 1379 memcpy(LLADDR(ifp->if_sadl), 1380 ina->x_host.c_host, 1381 ifp->if_addrlen); 1382 break; 1383 } 1384 #endif /* NS */ 1385 } 1386 break; 1387 1388 case SIOCSIFMTU: 1389 if (ifr->ifr_mtu > ETHERMTU) 1390 error = EINVAL; 1391 else 1392 ifp->if_mtu = ifr->ifr_mtu; 1393 break; 1394 1395 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1396 1397 case SIOCSIFFLAGS: 1398 if (ifp->if_flags & IFF_UP) { 1399 if (ifp->if_flags & IFF_RUNNING && 1400 ifp->if_flags & IFF_PROMISC && 1401 !(sc->cue_if_flags & IFF_PROMISC)) { 1402 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1403 cue_setmulti(sc); 1404 } else if (ifp->if_flags & IFF_RUNNING && 1405 !(ifp->if_flags & IFF_PROMISC) && 1406 sc->cue_if_flags & IFF_PROMISC) { 1407 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1408 cue_setmulti(sc); 1409 } else if (!(ifp->if_flags & IFF_RUNNING)) 1410 cue_init(sc); 1411 } else { 1412 if (ifp->if_flags & IFF_RUNNING) 1413 cue_stop(sc); 1414 } 1415 sc->cue_if_flags = ifp->if_flags; 1416 error = 0; 1417 break; 1418 case SIOCADDMULTI: 1419 case SIOCDELMULTI: 1420 cue_setmulti(sc); 1421 error = 0; 1422 break; 1423 default: 1424 error = EINVAL; 1425 break; 1426 } 1427 1428 splx(s); 1429 1430 return (error); 1431 } 1432 1433 Static void 1434 cue_watchdog(struct ifnet *ifp) 1435 { 1436 struct cue_softc *sc = ifp->if_softc; 1437 1438 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1439 1440 if (sc->cue_dying) 1441 return; 1442 1443 ifp->if_oerrors++; 1444 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1445 1446 /* 1447 * The polling business is a kludge to avoid allowing the 1448 * USB code to call tsleep() in usbd_delay_ms(), which will 1449 * kill us since the watchdog routine is invoked from 1450 * interrupt context. 1451 */ 1452 usbd_set_polling(sc->cue_udev, 1); 1453 cue_stop(sc); 1454 cue_init(sc); 1455 usbd_set_polling(sc->cue_udev, 0); 1456 1457 if (ifp->if_snd.ifq_head != NULL) 1458 cue_start(ifp); 1459 } 1460 1461 /* 1462 * Stop the adapter and free any mbufs allocated to the 1463 * RX and TX lists. 1464 */ 1465 Static void 1466 cue_stop(struct cue_softc *sc) 1467 { 1468 usbd_status err; 1469 struct ifnet *ifp; 1470 int i; 1471 1472 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1473 1474 ifp = GET_IFP(sc); 1475 ifp->if_timer = 0; 1476 1477 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1478 cue_reset(sc); 1479 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 1480 1481 /* Stop transfers. */ 1482 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1483 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1484 if (err) { 1485 printf("%s: abort rx pipe failed: %s\n", 1486 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1487 } 1488 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1489 if (err) { 1490 printf("%s: close rx pipe failed: %s\n", 1491 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1492 } 1493 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1494 } 1495 1496 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1497 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1498 if (err) { 1499 printf("%s: abort tx pipe failed: %s\n", 1500 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1501 } 1502 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1503 if (err) { 1504 printf("%s: close tx pipe failed: %s\n", 1505 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1506 } 1507 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1508 } 1509 1510 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1511 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1512 if (err) { 1513 printf("%s: abort intr pipe failed: %s\n", 1514 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1515 } 1516 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1517 if (err) { 1518 printf("%s: close intr pipe failed: %s\n", 1519 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1520 } 1521 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1522 } 1523 1524 /* Free RX resources. */ 1525 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1526 if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) { 1527 m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf); 1528 sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL; 1529 } 1530 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 1531 usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 1532 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 1533 } 1534 } 1535 1536 /* Free TX resources. */ 1537 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 1538 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 1539 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 1540 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 1541 } 1542 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 1543 usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 1544 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 1545 } 1546 } 1547 1548 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1549 } 1550 1551 #ifdef __FreeBSD__ 1552 /* 1553 * Stop all chip I/O so that the kernel's probe routines don't 1554 * get confused by errant DMAs when rebooting. 1555 */ 1556 Static void 1557 cue_shutdown(device_t dev) 1558 { 1559 struct cue_softc *sc; 1560 1561 sc = device_get_softc(dev); 1562 1563 cue_reset(sc); 1564 cue_stop(sc); 1565 } 1566 #endif 1567